| Acronym | Meaning |
| DV | Designee For Verification |
| MTU | Magnetic Tape Unit |
| CWEU | Caution And Warning Electronics Unit |
| SDF | Software Development Facility |
| SF | Safe |
| JPL | Jet Propulsion Laboratory |
| LL | Low Level |
| SA | Shaft Angle |
| IPS | IRAR Internal Variable |
| CSE | Communications Systems Engineer |